Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Tribe Hydaticini

Guide Page needed for this species - Hydaticus bimarinatus - Prodaticus bimarginatus Predacious Diving Beetle - Hydaticus piceus Predacious Diving Beetle - Hydaticus piceus Hydaticus aruspex - female Hydaticus piceus ? - Prodaticus bimarginatus ? - Prodaticus bimarginatus Hydaticus aruspex - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Dytiscinae
Tribe Hydaticini
Numbers
2 genera, with 4 spp. in our area and ~140 spp. worldwide(1)
Size
8.5–20.5 mm(1)
Range
Hydaticus is a small (7 spp.) holarctic genus, Prodaticus is a large, mostly tropical worldwide genus, with a few holarctic spp.(1)
Works Cited
1.Phylogeny and classification of the tribe Hydaticini (Coleoptera: Dytiscidae)...
Miller K.B., Bergsten J., Whiting M.F. 2009. Zoologica Scripta, 1-25.